private void CalculateAndSendNewPrice()
{
IReadOnlyCollection <RepricingInformation> repricingInformations = RepricingInformationCache.Instance.RepricingInformations;
List <RepricingInformation> inStockRepricingInformations = repricingInformations
.Where(x => InventorySupplyCache.Instance.InStockSupplyQuantity(x.SKU) > 0)
.ToList();
List <RepricingInformation> inStockRepricingInformationsWithoutListingOffers = inStockRepricingInformations
.Where(x => !ListingOffersCache.Instance.HasListingOffersForAsin(x.ASIN))
.ToList();
Dictionary <string, decimal> myPricesForInStockItemsWithoutListingOffers = GetMyPrices(inStockRepricingInformationsWithoutListingOffers.Select(x => x.SKU));
List <UpdatedItemPrice> newPrices = new List <UpdatedItemPrice>();
foreach (RepricingInformation repricingInfo in inStockRepricingInformations)
{
string asin = repricingInfo.ASIN;
string sku = repricingInfo.SKU;
ListingOffers listingOffers = ListingOffersCache.Instance.GetListingOffers(asin);
decimal?myPrice = null;
if (myPricesForInStockItemsWithoutListingOffers.ContainsKey(sku))
{
myPrice = myPricesForInStockItemsWithoutListingOffers[sku];
}
UpdatedItemPrice updatedItemPrice = CalculatePrice.CalculateNewPrice(sku, asin, repricingInfo, listingOffers, myPrice);
if (updatedItemPrice != null) // If we can't set a price, this object will be null.
{
decimal newPrice = updatedItemPrice.UpdatedPrice;
decimal?lastPrice = PriceHistoryCache.Instance.GetLastPrice(asin);
if ((newPrice > repricingInfo.MinimumPrice) && (newPrice > 4.00m) && //// This new price has to be greater than our minimum price and greater than $4.00
(!lastPrice.HasValue || lastPrice.Value != newPrice)) //// This new price has to be not equal to our last updated price.
{
newPrices.Add(updatedItemPrice);
}
}
}
UploadNewPrices(newPrices);
}
public void CacheListingOffers(ListingOffers newListingOffers)
{
if (newListingOffers == null || newListingOffers.Asin == null)
{
return;
}
ListingOffersLogger.Instance.SubmitListingOffers(newListingOffers);
m_listingOffers.AddOrUpdate(
newListingOffers.Asin,
newListingOffers,
(key, existingListingOffers) =>
// Choose the newer ListingOffers
(newListingOffers.PublishDateTime > existingListingOffers.PublishDateTime)
// OR, replace the existing ListingOffers if the new ListingOffers originates from the SubscriptionService.
|| (newListingOffers.ListingOffersSource == ListingOffersSource.SubscriptionService && existingListingOffers.ListingOffersSource == ListingOffersSource.MwsProducts)
? newListingOffers
: existingListingOffers);
}
private static ListingOffersLog MapToListingOffersLog(ListingOffers listingOffers)
{
ListingOffersLog listingOffersLog = new ListingOffersLog
{
ASIN = listingOffers.Asin,
PublishDateTime = listingOffers.PublishDateTime,
ListingOffersSource = listingOffers.ListingOffersSource.ToString(),
};
Offer ourOffer = listingOffers.Offers.FirstOrDefault(w => w.SellerType == SellerType.JBShop);
if (ourOffer != null)
{
listingOffersLog.OurPrice = ourOffer.LandedPrice;
}
Offer lowestFbaOffer = listingOffers.Offers.Where(w => w.IsFba && w.SellerType != SellerType.JBShop).OrderBy(o => o.LandedPrice).FirstOrDefault();
if (lowestFbaOffer != null)
{
listingOffersLog.LowestFbaPrice = lowestFbaOffer.LandedPrice;
}
Offer lowestNonFbaOffer = listingOffers.Offers.Where(w => !w.IsFba && w.SellerType != SellerType.JBShop).OrderBy(o => o.LandedPrice).FirstOrDefault();
if (lowestNonFbaOffer != null)
{
listingOffersLog.LowestNonFbaPrice = lowestNonFbaOffer.LandedPrice;
}
Offer buyBoxOffer = listingOffers.Offers.FirstOrDefault(w => w.IsBuyBoxWinner.HasValue && w.IsBuyBoxWinner.Value);
if (buyBoxOffer != null)
{
listingOffersLog.BuyBoxPrice = buyBoxOffer.LandedPrice;
listingOffersLog.BuyBoxWinnerSellerType = (int)buyBoxOffer.SellerType;
}
return(listingOffersLog);
}
public static UpdatedItemPrice CalculateNewPrice(string sku, string asin, RepricingInformation repricingInfo, ListingOffers listingOffers, decimal?myPrice)
{
UpdatedItemPrice updatedItemPrice = null;
decimal minPrice = repricingInfo.MinimumPrice;
if (listingOffers == null && myPrice.HasValue)
{
decimal newPrice = (myPrice.Value > minPrice) ? myPrice.Value + 0.01m : minPrice * 1.15m;
newPrice = decimal.Round(newPrice, 2);
updatedItemPrice = new UpdatedItemPrice(sku, newPrice, asin, minPrice, null, null, null, null, null, myPrice, null);
}
else if (listingOffers != null)
{
updatedItemPrice = CalculateNewPriceFromOffers(sku, asin, listingOffers.Offers, listingOffers.PublishDateTime, minPrice, listingOffers.ListingOffersSource);
}
return(updatedItemPrice);
}
public void SubmitListingOffers(ListingOffers listingOffers)
{
s_listingOffersLog.Add(MapToListingOffersLog(listingOffers));
}
